Home / 823,365.60-1,234,933.20-262,456.80

Finding the Fourth Proportional to 823,365.60, 1,234,933.20 and 262,456.80

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Solution

The fourth proportional to 823,365.60, 1,234,933.20 and 262,456.80 is: 393,648.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,365.60 : 1,234,933.20 = 262,456.80 : x
  2. Step 2: Convert to fraction form
    823,365.60/1,234,933.20 = 262,456.80/x
  3. Step 3: Cross multiply
    823,365.60x = 1,234,933.20 × 262,456.80
  4. Step 4: Simplify right side
    823,365.60x = 324,116,615,885.76
  5. Step 5: Solve for x
    x = 324,116,615,885.76/823,365.60
  6. Step 6: Final answer
    x = 393,648.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.